This work paper the importance of employee motivation in companies and its impact on productivity, job satisfaction and competitive advantages of organizations. The aim of this paper is to analyze different theories of motivation, identify the most effective methods and strategies for encouraging motivation and understand how they contribute to the success of the company. This work begins with an overview of relevant theories of motivation, including Maslow's pyramid of needs, theory X and Y, theory of need for achievement, theory of cognitive dissonance, cognitive model of motivation, theory of self-determination, theory of inference, theory of justice and theory of control. Each theory is analyzed in detail to understand their applicability in the workplace and their potential to improve employee motivation. After the theoretical overview, the paper focuses on empirical research in which the effectiveness of different methods and strategies of employee motivation is examined. Primary data was collected through a survey questionnaire with managers and employees of different organizations. Data analysis enables the identification of key factors that influence employee motivation, such as salary, work environment, opportunities for advancement, working hours, family-work balance and motivation. The research results will show that highly motivated employees are more productive, more satisfied at work and more loyal to their organizations. In addition, companies that successfully implement employee motivation strategies often gain competitive advantages in the marketplace, resulting in higher profits and growth.